Home / 51,342.02-70,844.46-28,678.22

Finding the Fourth Proportional to 51,342.02, 70,844.46 and 28,678.22

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Solution

The fourth proportional to 51,342.02, 70,844.46 and 28,678.22 is: 39,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.02 : 70,844.46 = 28,678.22 : x
  2. Step 2: Convert to fraction form
    51,342.02/70,844.46 = 28,678.22/x
  3. Step 3: Cross multiply
    51,342.02x = 70,844.46 × 28,678.22
  4. Step 4: Simplify right side
    51,342.02x = 2,031,693,009.66
  5. Step 5: Solve for x
    x = 2,031,693,009.66/51,342.02
  6. Step 6: Final answer
    x = 39,571.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.